4
4 filing
- Filing date
- 19 Nov 2025
- Reporting date
- 17 Nov 2025
- SEC evidence
- Open document Open filing
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Atara Biotherapeutics, Inc. SEC filing history
147 indexed filings. This is the filing history currently indexed by PortfolioSavvy, which may not include every SEC submission.
SEC filing history
Showing 26โ50 of 147 matching filings.
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25
Current page
2
4
4 filing
- Filing date
- 20 Aug 2025
- Reporting date
- 18 Aug 2025
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 20 Aug 2025
- Reporting date
- 18 Aug 2025
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 19 Aug 2025
- Reporting date
- 15 Aug 2025
- SEC evidence
- Open document Open filing
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10-Q
10-Q filing
- Filing date
- 11 Aug 2025
- Reporting date
- 30 Jun 2025
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 21 Jul 2025
- Reporting date
- 17 Jul 2025
- SEC evidence
- Open document Open filing
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4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 12 Jun 2025
- Reporting date
- 10 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
3 filing
- Filing date
- 23 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
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3
3 filing
- Filing date
- 23 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
3 filing
- Filing date
- 21 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 20 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 16 May 2025
- Reporting date
- 16 May 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
10-Q
10-Q filing
- Filing date
- 15 May 2025
- Reporting date
- 31 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
3
3 filing
- Filing date
- 10 Apr 2025
- Reporting date
- 31 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 02 Apr 2025
- Reporting date
- 31 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
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10-K
10-K filing
- Filing date
- 07 Mar 2025
- Reporting date
- 31 Dec 2024
- SEC evidence
- Open document Open filing
- Next action
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4
4 filing
- Filing date
- 05 Mar 2025
- Reporting date
- 03 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Mar 2025
- Reporting date
- 03 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
4
4 filing
- Filing date
- 05 Mar 2025
- Reporting date
- 03 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing